Answered

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A book store had 42 copies of a magazine yesterday it sold for 2/3 of them today it sold 2/7 of what remained how many copies does the book store have left

Sagot :

raderthanu

Answer:

10

Step-by-step explanation:

42 / 3 = 14

14 / 7 = 2

2 x 5 = 10

reinhard10158

Step-by-step explanation:

2/3 of 42 = 42×2/3 = 84/3 = 28

so, they sold 28 copies yesterday.

that left 42-28 = 14.

from these 14 they sold 2/7 today.

2/7 of 14 = 14×2/7 = 28/7 = 4

that left now 14 - 4 = 10 copies.

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